147 lines
3.9 KiB
JavaScript
147 lines
3.9 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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var _assert = require("assert");
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var t = require("@babel/types");
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class ImportBuilder {
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constructor(importedSource, scope, hub) {
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this._statements = [];
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this._resultName = null;
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this._scope = null;
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this._hub = null;
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this._importedSource = void 0;
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this._scope = scope;
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this._hub = hub;
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this._importedSource = importedSource;
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}
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done() {
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return {
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statements: this._statements,
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resultName: this._resultName
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};
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}
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import() {
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this._statements.push(t.importDeclaration([], t.stringLiteral(this._importedSource)));
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return this;
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}
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require() {
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this._statements.push(t.expressionStatement(t.callExpression(t.identifier("require"), [t.stringLiteral(this._importedSource)])));
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return this;
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}
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namespace(name = "namespace") {
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const local = this._scope.generateUidIdentifier(name);
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const statement = this._statements[this._statements.length - 1];
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_assert(statement.type === "ImportDeclaration");
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_assert(statement.specifiers.length === 0);
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statement.specifiers = [t.importNamespaceSpecifier(local)];
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this._resultName = t.cloneNode(local);
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return this;
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}
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default(name) {
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name = this._scope.generateUidIdentifier(name);
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const statement = this._statements[this._statements.length - 1];
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_assert(statement.type === "ImportDeclaration");
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_assert(statement.specifiers.length === 0);
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statement.specifiers = [t.importDefaultSpecifier(name)];
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this._resultName = t.cloneNode(name);
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return this;
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}
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named(name, importName) {
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if (importName === "default") return this.default(name);
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name = this._scope.generateUidIdentifier(name);
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const statement = this._statements[this._statements.length - 1];
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_assert(statement.type === "ImportDeclaration");
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_assert(statement.specifiers.length === 0);
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statement.specifiers = [t.importSpecifier(name, t.identifier(importName))];
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this._resultName = t.cloneNode(name);
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return this;
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}
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var(name) {
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name = this._scope.generateUidIdentifier(name);
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let statement = this._statements[this._statements.length - 1];
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if (statement.type !== "ExpressionStatement") {
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_assert(this._resultName);
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statement = t.expressionStatement(this._resultName);
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this._statements.push(statement);
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}
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this._statements[this._statements.length - 1] = t.variableDeclaration("var", [t.variableDeclarator(name, statement.expression)]);
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this._resultName = t.cloneNode(name);
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return this;
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}
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defaultInterop() {
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return this._interop(this._hub.addHelper("interopRequireDefault"));
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}
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wildcardInterop() {
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return this._interop(this._hub.addHelper("interopRequireWildcard"));
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}
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_interop(callee) {
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const statement = this._statements[this._statements.length - 1];
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if (statement.type === "ExpressionStatement") {
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statement.expression = t.callExpression(callee, [statement.expression]);
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} else if (statement.type === "VariableDeclaration") {
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_assert(statement.declarations.length === 1);
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statement.declarations[0].init = t.callExpression(callee, [statement.declarations[0].init]);
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} else {
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_assert.fail("Unexpected type.");
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}
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return this;
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}
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prop(name) {
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const statement = this._statements[this._statements.length - 1];
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if (statement.type === "ExpressionStatement") {
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statement.expression = t.memberExpression(statement.expression, t.identifier(name));
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} else if (statement.type === "VariableDeclaration") {
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_assert(statement.declarations.length === 1);
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statement.declarations[0].init = t.memberExpression(statement.declarations[0].init, t.identifier(name));
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} else {
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_assert.fail("Unexpected type:" + statement.type);
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}
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return this;
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}
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read(name) {
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this._resultName = t.memberExpression(this._resultName, t.identifier(name));
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}
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}
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exports.default = ImportBuilder; |